Orders over $75 ship free using a mix of UPS Ground and SurePost. Your order will arrive within 2-7 days, depending on your vicinity to Minneapolis. Place your order by 3:30 PM CST Monday through Friday and we'll ship it the same day. This offer is only available to the contiguous US. USPS shipments do not qualify for free shipping.

Fast flat-rate shipping $4.99

Select our $4.99 flat-rate shipping option, and your order will arrive to your door within 3 business days or less in the contiguous US. Place your order by 3:30 PM CST Monday through Friday and we'll ship it the same day. See map below for transit times.

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Quick Overview

BRS Bulk Biopellets work to remove nitrates produced when fish foods and resulting waste break down. Maintaining low nitrates is key to maintaining the best coral coloration, healthy fish and avoiding algae outbreaks.

BRS Bulk Biopellets are made from 100% natural Polyhydroxyalkanoates or PHA and are an excellent solid carbon source for denitrifying bacteria in the aquarium. BRS Bulk Biopellets are produced by a leader in the industry, designed specifically for denitrification in aquaria and we believe it to be the best product available. Use of biopellets will also remove phosphates - combined with wise food selections it can be the only type of phosphate control required.

All you need to implement this is some BRS Biopellets, an inexpensive fluidized reactor and a pump.

BRS Bulk Biopellets work to remove nitrates produced when fish foods and resulting waste break down. Maintaining low nitrates is key to maintaining the best coral coloration, healthy fish and avoiding algae outbreaks.

BRS Bulk Biopellets are made from 100% natural Polyhydroxyalkanoates or PHA and are an excellent solid carbon source for denitrifying bacteria in the aquarium. BRS Bulk Biopellets are produced by a leader in the industry, designed specifically for denitrification in aquaria and we believe it to be the best product available. Use of biopellets will also remove phosphates - combined with wise food selections it can be the only type of phosphate control required.

All you need to implement this is some BRS Biopellets, an inexpensive fluidized reactor and a pump.More

BRS Bulk Biopellets

We recommend 1 cup (236 ml) of BRS biopellets per 50 gallons of system volume. See Instructions.

Maintaining low nitrates is key to maintaining the best coral coloration, healthy fish and avoiding algae outbreaks. Fish foods and resulting waste eventually break down into nitrates. Aquarists’ primary method of dealing with nitrate removal is water changes but over the years we have developed a few ways to remove nitrates with equipment like refugiums, sulfur reactors and deep sandbeds. All of these methods work to various degrees but are often less efficient than we would like or the level of complexity, expense and maintenance is beyond what the average reefer would desire

.

Solid carbon dosing (biopellets) has recently become an extremely popular method of removing nitrates from the aquarium. The exact method of denitration can be different for each tank but it mainly consists of a few things:

Nitrate laden Bacteria is removed via the protein skimmer

Bacteria directly converts nitrite into nitrous oxide so nitrate is never produced

Bacteria consumes nitrates and processes them down into nitrogen gas

Nitrate laden Bacteria is consumed by tank inhabitants like corals and sponges

Depending on the system it should take 4-8 weeks for the bacteria population to multiply and begin its work on your nitrates. Once you have the reactor going we suggest not making any adjustments for 8 weeks. Give the media and bacteria time to adjust to the parameters found in your tank and begin working. The absolute best advice we can give with this system is to set it up and forget about it for two months. Unless something is obviously not right resist all temptation to make any changes until the two months are up.

BRS Bulk Biopellets

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Free economy shipping over $75

Orders over $75 ship free using a mix of UPS Ground and SurePost. Your order will arrive within 2-7 days, depending on your vicinity to Minneapolis. Place your order by 3:30 PM CST Monday through Friday and we'll ship it the same day. This offer is only available to the contiguous US. USPS shipments do not qualify for free shipping.

Fast flat-rate shipping $4.99

Select our $4.99 flat-rate shipping option, and your order will arrive to your door within 3 business days or less in the contiguous US. Place your order by 3:30 PM CST Monday through Friday and we'll ship it the same day. See map below for transit times.

BE CAREFUL!!By Jameson 4/17/2015

James would recommend this product to a friend

Dosed the recommended amount: 1 cup per 50 gallons. I dosed 2 cups for my 100gal tank. Day 5 I came home from work in the morning and saw my tank was extremely cloudy (normally crystal clear water column). I noticed a bad odor coming from the sump area. I discovered my Green Bird Wrasse had jumped from the tank, and a few hours later my Rusty Angel was dead on it's side.

Bio Pellets will cause I major drop in available O2 levels in your tank. BE VERY CAREFUL with these pellets. DO NOT start off with the recommended dosage. I would start with 1/4th of the dose. Also, make sure you have a VERY GOOD skimmer to remove the increased skimmate from these pellets. I have stopped running my reactor and hope that when I get home in the morning I don't have anymore dead fish.

Not sureBy Brandonon 4/9/2015

Brandon wouldn't recommend this product to a friend

I've used TLF pellets with good results. These BRS pellets are larger and seem to be less dense. I'm having a floating issue with a small % of them. The rest of them won't settle down to my satisfaction. The tend to hover in the middle of my reactor. Time will tell!

good product By subieon 2/22/2015

subie would recommend this product to a friend

Works good for nitrate so far..

Good so farBy David Lon 12/22/2014

David L would recommend this product to a friend

I was sent the BRS brand of bio pellets after having issues with TLF brand floating and clumping. I had no issues with the BRS brand from day one. Now lets see if the bio pellets help reduce my nitrates.

Good Product By EZon 12/1/2014

EZ would recommend this product to a friend

I've tried a few different types of biopellets and I seem to keep coming back to these. They tumble well, and don't seem to clump like other do. I have them running in two TLF reactors run in series which holds just about 1000 ml of pellets. They seem to work pretty well as i have never had a nitrate or phosphate issue but that's all purely anecdotal.

ExcellentBy Michaelon 10/29/2014

Michael would recommend this product to a friend

Perfect match for my Reef Octopus 3000 reactor.

GOODBy Martaon 10/29/2014

Marta would recommend this product to a friend

Works good for nitrate reduction but I dont see it helping with phosphates in my tank.

disapointedBy joesreeftankon 10/24/2014

joesreeftank wouldn't recommend this product to a friend

Not sure of the quality of the pellets just yet, my concern is when i received my order the jar was open and the pellets spilled all over, I emailed BRS and received no response.

AmazingBy Paulon 10/22/2014

Paul would recommend this product to a friend

These tumble great in my little media reactor and keep nitrates and phosphates at 0, what more can you ask for? I only got the 500ml bag for my 30 gallong nano with a mix of coral and live rock and have had no issue with algae blooms and such like others. Just follow the directions, and if you have an established tank, start with very little so you don't get a big bloom. It's all in the directions.

BRS BiopelletsBy Ojakeon 9/7/2014

Ojake would recommend this product to a friend

Been using them for over 1 year now. Using a Reef Octopus reactor and large water flow. I have had NONE of the problems some people are reporting. Nitrates and Phosphates remain below detectable using Red Sea tests kits.

Great for FOLR tanks, SPS keepers beware By Eldogon 8/20/2014

Eldog wouldn't recommend this product to a friend

I have been running biopellets in a BR 140 chamber for nearly 5 months. I switched to Ecobac pellets due to rapid degradation of the BR biopellets and guess what; the Ecobac pellets degraded even faster. On the plus side the biopellets did completely remove all nitrates and phosphates, undetectable on testing. Unfortunately, the SPS corals, and clams did not respond well, slow tissue necrosis and cynobacteria was a major side effect of the organic carbon influx induced by the biopellets. The whitish residue from the degradation of the biopellets coats all plumbing surfaces and sides of sump and skimmer. For heavy bio-loaded FOLR tanks the biopellets would work perfectly, cyanobacteria as consequence, but I would not recommend this product for SPS reef tanks. The LPS corals were fine with normal growth of zoanthids and other colonies. I have taken the biopellet reactor off my 230 display. Experiment over.

Can't get my nitrates downBy Romanon 8/19/2014

Roman would recommend this product to a friend

8 months after starting using BRS biopellets in my Innovative Marine media reactor still cannot get nitrates down, it seems to be stuck at 10-20 ppm. No negative side effects like bacteria or diatoms boom, but I was hoping to get results faster. Started dosing Brightwell Microbacter7, hope it will properly seed the reactor with better bacteria strain and start bringing down nitrates

Product Questions

How often do you recommend leaving the pellets in before having to change them?

Question by: Brendan on Apr 21, 2014 1:42:00 PM

Hi Brendan,
The pellets don't actually need to be changed out, they get consumed by the bacteria as they run so they just need to be topped off as they get consumed. It will vary but 4-6 months would be pretty typical.

What is a base line amount of bio pellets per gal of system volume to use as a starting point? I understand that it will all depend on the bio load of each individual tank.... But there has to be a starting figure and then work from there to find what works for my tank.
My tank is currently lightly stocked, with 330 gal of total system volume

Thanks

Question by: Gil on Aug 2, 2014 7:30:00 AM

Hi Gil,
250mL per 50g would be a pretty typical load. In your tank that would be about 1750mL, which is about 7 cups.

I've looked high and low for this answer but couldn't find it anywhere... I see it says don't touch for 8 weeks but when do you replace these? Also will I only replace part or all?

Thanks,
Jerry S.

Question by: JERRY on Nov 18, 2013 7:43:00 AM

Hey Jerry,
They are basically food and surface area for bacteria so you actually don't ever remove and replace them. You just add more as they get consumed. Once up and running thats usually once every couple of months.

We recommend 1 cup (236 ml) of BRS biopellets per 50 gallons of system volume. See Instructions.

Maintaining low nitrates is key to maintaining the best coral coloration, healthy fish and avoiding algae outbreaks. Fish foods and resulting waste eventually break down into nitrates. Aquarists’ primary method of dealing with nitrate removal is water changes but over the years we have developed a few ways to remove nitrates with equipment like refugiums, sulfur reactors and deep sandbeds. All of these methods work to various degrees but are often less efficient than we would like or the level of complexity, expense and maintenance is beyond what the average reefer would desire

.

Solid carbon dosing (biopellets) has recently become an extremely popular method of removing nitrates from the aquarium. The exact method of denitration can be different for each tank but it mainly consists of a few things:

Nitrate laden Bacteria is removed via the protein skimmer

Bacteria directly converts nitrite into nitrous oxide so nitrate is never produced

Bacteria consumes nitrates and processes them down into nitrogen gas

Nitrate laden Bacteria is consumed by tank inhabitants like corals and sponges

Depending on the system it should take 4-8 weeks for the bacteria population to multiply and begin its work on your nitrates. Once you have the reactor going we suggest not making any adjustments for 8 weeks. Give the media and bacteria time to adjust to the parameters found in your tank and begin working. The absolute best advice we can give with this system is to set it up and forget about it for two months. Unless something is obviously not right resist all temptation to make any changes until the two months are up.

Ask a question

Product Questions

How often do you recommend leaving the pellets in before having to change them?

Question by: Brendan on Apr 21, 2014 1:42:00 PM

Hi Brendan,
The pellets don't actually need to be changed out, they get consumed by the bacteria as they run so they just need to be topped off as they get consumed. It will vary but 4-6 months would be pretty typical.

What is a base line amount of bio pellets per gal of system volume to use as a starting point? I understand that it will all depend on the bio load of each individual tank.... But there has to be a starting figure and then work from there to find what works for my tank.
My tank is currently lightly stocked, with 330 gal of total system volume

Thanks

Question by: Gil on Aug 2, 2014 7:30:00 AM

Hi Gil,
250mL per 50g would be a pretty typical load. In your tank that would be about 1750mL, which is about 7 cups.

I've looked high and low for this answer but couldn't find it anywhere... I see it says don't touch for 8 weeks but when do you replace these? Also will I only replace part or all?

Thanks,
Jerry S.

Question by: JERRY on Nov 18, 2013 7:43:00 AM

Hey Jerry,
They are basically food and surface area for bacteria so you actually don't ever remove and replace them. You just add more as they get consumed. Once up and running thats usually once every couple of months.

Full Details

We recommend 1 cup (236 ml) of BRS biopellets per 50 gallons of system volume. See Instructions.

Maintaining low nitrates is key to maintaining the best coral coloration, healthy fish and avoiding algae outbreaks. Fish foods and resulting waste eventually break down into nitrates. Aquarists’ primary method of dealing with nitrate removal is water changes but over the years we have developed a few ways to remove nitrates with equipment like refugiums, sulfur reactors and deep sandbeds. All of these methods work to various degrees but are often less efficient than we would like or the level of complexity, expense and maintenance is beyond what the average reefer would desire

.

Solid carbon dosing (biopellets) has recently become an extremely popular method of removing nitrates from the aquarium. The exact method of denitration can be different for each tank but it mainly consists of a few things:

Nitrate laden Bacteria is removed via the protein skimmer

Bacteria directly converts nitrite into nitrous oxide so nitrate is never produced

Bacteria consumes nitrates and processes them down into nitrogen gas

Nitrate laden Bacteria is consumed by tank inhabitants like corals and sponges

Depending on the system it should take 4-8 weeks for the bacteria population to multiply and begin its work on your nitrates. Once you have the reactor going we suggest not making any adjustments for 8 weeks. Give the media and bacteria time to adjust to the parameters found in your tank and begin working. The absolute best advice we can give with this system is to set it up and forget about it for two months. Unless something is obviously not right resist all temptation to make any changes until the two months are up.

Reviews

BE CAREFUL!!By Jameson 4/17/2015

James would recommend this product to a friend

Dosed the recommended amount: 1 cup per 50 gallons. I dosed 2 cups for my 100gal tank. Day 5 I came home from work in the morning and saw my tank was extremely cloudy (normally crystal clear water column). I noticed a bad odor coming from the sump area. I discovered my Green Bird Wrasse had jumped from the tank, and a few hours later my Rusty Angel was dead on it's side.

Bio Pellets will cause I major drop in available O2 levels in your tank. BE VERY CAREFUL with these pellets. DO NOT start off with the recommended dosage. I would start with 1/4th of the dose. Also, make sure you have a VERY GOOD skimmer to remove the increased skimmate from these pellets. I have stopped running my reactor and hope that when I get home in the morning I don't have anymore dead fish.

Not sureBy Brandonon 4/9/2015

Brandon wouldn't recommend this product to a friend

I've used TLF pellets with good results. These BRS pellets are larger and seem to be less dense. I'm having a floating issue with a small % of them. The rest of them won't settle down to my satisfaction. The tend to hover in the middle of my reactor. Time will tell!

good product By subieon 2/22/2015

subie would recommend this product to a friend

Works good for nitrate so far..

Good so farBy David Lon 12/22/2014

David L would recommend this product to a friend

I was sent the BRS brand of bio pellets after having issues with TLF brand floating and clumping. I had no issues with the BRS brand from day one. Now lets see if the bio pellets help reduce my nitrates.

Good Product By EZon 12/1/2014

EZ would recommend this product to a friend

I've tried a few different types of biopellets and I seem to keep coming back to these. They tumble well, and don't seem to clump like other do. I have them running in two TLF reactors run in series which holds just about 1000 ml of pellets. They seem to work pretty well as i have never had a nitrate or phosphate issue but that's all purely anecdotal.

ExcellentBy Michaelon 10/29/2014

Michael would recommend this product to a friend

Perfect match for my Reef Octopus 3000 reactor.

GOODBy Martaon 10/29/2014

Marta would recommend this product to a friend

Works good for nitrate reduction but I dont see it helping with phosphates in my tank.

disapointedBy joesreeftankon 10/24/2014

joesreeftank wouldn't recommend this product to a friend

Not sure of the quality of the pellets just yet, my concern is when i received my order the jar was open and the pellets spilled all over, I emailed BRS and received no response.

AmazingBy Paulon 10/22/2014

Paul would recommend this product to a friend

These tumble great in my little media reactor and keep nitrates and phosphates at 0, what more can you ask for? I only got the 500ml bag for my 30 gallong nano with a mix of coral and live rock and have had no issue with algae blooms and such like others. Just follow the directions, and if you have an established tank, start with very little so you don't get a big bloom. It's all in the directions.

BRS BiopelletsBy Ojakeon 9/7/2014

Ojake would recommend this product to a friend

Been using them for over 1 year now. Using a Reef Octopus reactor and large water flow. I have had NONE of the problems some people are reporting. Nitrates and Phosphates remain below detectable using Red Sea tests kits.

Great for FOLR tanks, SPS keepers beware By Eldogon 8/20/2014

Eldog wouldn't recommend this product to a friend

I have been running biopellets in a BR 140 chamber for nearly 5 months. I switched to Ecobac pellets due to rapid degradation of the BR biopellets and guess what; the Ecobac pellets degraded even faster. On the plus side the biopellets did completely remove all nitrates and phosphates, undetectable on testing. Unfortunately, the SPS corals, and clams did not respond well, slow tissue necrosis and cynobacteria was a major side effect of the organic carbon influx induced by the biopellets. The whitish residue from the degradation of the biopellets coats all plumbing surfaces and sides of sump and skimmer. For heavy bio-loaded FOLR tanks the biopellets would work perfectly, cyanobacteria as consequence, but I would not recommend this product for SPS reef tanks. The LPS corals were fine with normal growth of zoanthids and other colonies. I have taken the biopellet reactor off my 230 display. Experiment over.

Can't get my nitrates downBy Romanon 8/19/2014

Roman would recommend this product to a friend

8 months after starting using BRS biopellets in my Innovative Marine media reactor still cannot get nitrates down, it seems to be stuck at 10-20 ppm. No negative side effects like bacteria or diatoms boom, but I was hoping to get results faster. Started dosing Brightwell Microbacter7, hope it will properly seed the reactor with better bacteria strain and start bringing down nitrates

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